A QUERY FAILED: SELECT subcategory,imagesmall FROM AMCMS_games USE INDEX(category_3) WHERE category='Eventyr' AND subcategory!='' AND status=1 GROUP BY subcategory ORDER BY subcategoryDETAILS: 1055 Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'spill007.AMCMS_games.imagesmall' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by